# N421U: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: June 20, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421U
- Page: https://openairdocs.org/aircraft/N421U

## Aircraft that carried N421U

- [Cancelled 2012-06-20](https://openairdocs.org/deregistered/N421U-2012-06-20): Cessna 421A, S/N 421A0012, built 1968. Second renewal notice. Owner: [Watertown School District No 14-4](https://openairdocs.org/faa-owner/WATERTOWN%20SCHOOL%20DISTRICT%20NO%2014-4), [Watertown, SD](https://openairdocs.org/faa-place/SD/Watertown)

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